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<h1 id="sec_name">
<span data-if="hdevelop" style="display:inline;">compare_variation_model</span><span data-if="c" style="display:none;">T_compare_variation_model</span><span data-if="cpp" style="display:none;">CompareVariationModel</span><span data-if="dotnet" style="display:none;">CompareVariationModel</span><span data-if="python" style="display:none;">compare_variation_model</span> (算子名称)</h1>
<h2>名称</h2>
<p><code><span data-if="hdevelop" style="display:inline;">compare_variation_model</span><span data-if="c" style="display:none;">T_compare_variation_model</span><span data-if="cpp" style="display:none;">CompareVariationModel</span><span data-if="dotnet" style="display:none;">CompareVariationModel</span><span data-if="python" style="display:none;">compare_variation_model</span></code> — Compare an image to a variation model.</p>
<h2 id="sec_synopsis">参数签名</h2>
<div data-if="hdevelop" style="display:inline;">
<p>
<code><b>compare_variation_model</b>(<a href="#Image"><i>Image</i></a> : <a href="#Region"><i>区域</i></a> : <a href="#ModelID"><i>ModelID</i></a> : )</code></p>
</div>
<div data-if="c" style="display:none;">
<p>
<code>Herror <b>T_compare_variation_model</b>(const Hobject <a href="#Image"><i>Image</i></a>, Hobject* <a href="#Region"><i>区域</i></a>, const Htuple <a href="#ModelID"><i>ModelID</i></a>)</code></p>
</div>
<div data-if="cpp" style="display:none;">
<p>
<code>void <b>CompareVariationModel</b>(const HObject&amp; <a href="#Image"><i>Image</i></a>, HObject* <a href="#Region"><i>区域</i></a>, const HTuple&amp; <a href="#ModelID"><i>ModelID</i></a>)</code></p>
<p>
<code><a href="HRegion.html">HRegion</a> <a href="HVariationModel.html">HVariationModel</a>::<b>CompareVariationModel</b>(const HImage&amp; <a href="#Image"><i>Image</i></a>) const</code></p>
<p>
<code><a href="HRegion.html">HRegion</a> <a href="HImage.html">HImage</a>::<b>CompareVariationModel</b>(const HVariationModel&amp; <a href="#ModelID"><i>ModelID</i></a>) const</code></p>
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<p>
<code>static void <a href="HOperatorSet.html">HOperatorSet</a>.<b>CompareVariationModel</b>(<a href="HObject.html">HObject</a> <a href="#Image"><i>image</i></a>, out <a href="HObject.html">HObject</a> <a href="#Region"><i>区域</i></a>, <a href="HTuple.html">HTuple</a> <a href="#ModelID"><i>modelID</i></a>)</code></p>
<p>
<code><a href="HRegion.html">HRegion</a> <a href="HVariationModel.html">HVariationModel</a>.<b>CompareVariationModel</b>(<a href="HImage.html">HImage</a> <a href="#Image"><i>image</i></a>)</code></p>
<p>
<code><a href="HRegion.html">HRegion</a> <a href="HImage.html">HImage</a>.<b>CompareVariationModel</b>(<a href="HVariationModel.html">HVariationModel</a> <a href="#ModelID"><i>modelID</i></a>)</code></p>
</div>
<div data-if="python" style="display:none;">
<p>
<code>def <b>compare_variation_model</b>(<a href="#Image"><i>image</i></a>: HObject, <a href="#ModelID"><i>model_id</i></a>: HHandle) -&gt; HObject</code></p>
</div>
<h2 id="sec_description">描述</h2>
<p><code><span data-if="hdevelop" style="display:inline">compare_variation_model</span><span data-if="c" style="display:none">compare_variation_model</span><span data-if="cpp" style="display:none">CompareVariationModel</span><span data-if="com" style="display:none">CompareVariationModel</span><span data-if="dotnet" style="display:none">CompareVariationModel</span><span data-if="python" style="display:none">compare_variation_model</span></code> compares the input image
<a href="#Image"><i><code><span data-if="hdevelop" style="display:inline">Image</span><span data-if="c" style="display:none">Image</span><span data-if="cpp" style="display:none">Image</span><span data-if="com" style="display:none">Image</span><span data-if="dotnet" style="display:none">image</span><span data-if="python" style="display:none">image</span></code></i></a> to the variation model given by <a href="#ModelID"><i><code><span data-if="hdevelop" style="display:inline">ModelID</span><span data-if="c" style="display:none">ModelID</span><span data-if="cpp" style="display:none">ModelID</span><span data-if="com" style="display:none">ModelID</span><span data-if="dotnet" style="display:none">modelID</span><span data-if="python" style="display:none">model_id</span></code></i></a>.
Before <code><span data-if="hdevelop" style="display:inline">compare_variation_model</span><span data-if="c" style="display:none">compare_variation_model</span><span data-if="cpp" style="display:none">CompareVariationModel</span><span data-if="com" style="display:none">CompareVariationModel</span><span data-if="dotnet" style="display:none">CompareVariationModel</span><span data-if="python" style="display:none">compare_variation_model</span></code> can be called, the two
internal threshold images of the variation model must have been
created with <a href="prepare_variation_model.html"><code><span data-if="hdevelop" style="display:inline">prepare_variation_model</span><span data-if="c" style="display:none">prepare_variation_model</span><span data-if="cpp" style="display:none">PrepareVariationModel</span><span data-if="com" style="display:none">PrepareVariationModel</span><span data-if="dotnet" style="display:none">PrepareVariationModel</span><span data-if="python" style="display:none">prepare_variation_model</span></code></a> or
<a href="prepare_direct_variation_model.html"><code><span data-if="hdevelop" style="display:inline">prepare_direct_variation_model</span><span data-if="c" style="display:none">prepare_direct_variation_model</span><span data-if="cpp" style="display:none">PrepareDirectVariationModel</span><span data-if="com" style="display:none">PrepareDirectVariationModel</span><span data-if="dotnet" style="display:none">PrepareDirectVariationModel</span><span data-if="python" style="display:none">prepare_direct_variation_model</span></code></a>.  Let c(x,y)
denote the input image <a href="#Image"><i><code><span data-if="hdevelop" style="display:inline">Image</span><span data-if="c" style="display:none">Image</span><span data-if="cpp" style="display:none">Image</span><span data-if="com" style="display:none">Image</span><span data-if="dotnet" style="display:none">image</span><span data-if="python" style="display:none">image</span></code></i></a> and <span title="1" style="vertical-align:-0.358954em" class="math"><!-- Created by MetaPost 1.902 on 2023.05.15:2033 --><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" width="1.49922em" height="1.02283em" viewBox="0 0 23.987442 16.365204">
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denote the two threshold images (see <a href="prepare_variation_model.html"><code><span data-if="hdevelop" style="display:inline">prepare_variation_model</span><span data-if="c" style="display:none">prepare_variation_model</span><span data-if="cpp" style="display:none">PrepareVariationModel</span><span data-if="com" style="display:none">PrepareVariationModel</span><span data-if="dotnet" style="display:none">PrepareVariationModel</span><span data-if="python" style="display:none">prepare_variation_model</span></code></a>
or <a href="prepare_direct_variation_model.html"><code><span data-if="hdevelop" style="display:inline">prepare_direct_variation_model</span><span data-if="c" style="display:none">prepare_direct_variation_model</span><span data-if="cpp" style="display:none">PrepareDirectVariationModel</span><span data-if="com" style="display:none">PrepareDirectVariationModel</span><span data-if="dotnet" style="display:none">PrepareDirectVariationModel</span><span data-if="python" style="display:none">prepare_direct_variation_model</span></code></a>).  Then the output region
<a href="#Region"><i><code><span data-if="hdevelop" style="display:inline">区域</span><span data-if="c" style="display:none">区域</span><span data-if="cpp" style="display:none">区域</span><span data-if="com" style="display:none">区域</span><span data-if="dotnet" style="display:none">区域</span><span data-if="python" style="display:none">区域</span></code></i></a> contains all points that differ substantially from
the model, i.e., the points that fulfill the following condition:
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If only too bright or too dark errors should be segmented the
operator <a href="compare_ext_variation_model.html"><code><span data-if="hdevelop" style="display:inline">compare_ext_variation_model</span><span data-if="c" style="display:none">compare_ext_variation_model</span><span data-if="cpp" style="display:none">CompareExtVariationModel</span><span data-if="com" style="display:none">CompareExtVariationModel</span><span data-if="dotnet" style="display:none">CompareExtVariationModel</span><span data-if="python" style="display:none">compare_ext_variation_model</span></code></a> can be used.</p>
<h2 id="sec_execution">运行信息</h2>
<ul>
  <li>多线程类型:可重入(与非独占操作符并行运行)。</li>
<li>多线程作用域:全局(可以从任何线程调用)。</li>
  
    <li>在元组级别自动并行化。</li>
    <li>Automatically parallelized on  domain level.</li>
  
</ul>
<h2 id="sec_parameters">参数表</h2>
  <div class="par">
<div class="parhead">
<span id="Image" class="parname"><b><code><span data-if="hdevelop" style="display:inline">Image</span><span data-if="c" style="display:none">Image</span><span data-if="cpp" style="display:none">Image</span><span data-if="com" style="display:none">Image</span><span data-if="dotnet" style="display:none">image</span><span data-if="python" style="display:none">image</span></code></b> (input_object)  </span><span>singlechannelimage(-array) <code>→</code> <span data-if="hdevelop" style="display:inline">object</span><span data-if="dotnet" style="display:none"><a href="HImage.html">HImage</a></span><span data-if="python" style="display:none">HObject</span><span data-if="cpp" style="display:none"><a href="HImage.html">HImage</a></span><span data-if="c" style="display:none">Hobject</span> (byte / int2 / uint2)</span>
</div>
<p class="pardesc">Image of the object to be compared.</p>
</div>
  <div class="par">
<div class="parhead">
<span id="Region" class="parname"><b><code><span data-if="hdevelop" style="display:inline">区域</span><span data-if="c" style="display:none">区域</span><span data-if="cpp" style="display:none">区域</span><span data-if="com" style="display:none">区域</span><span data-if="dotnet" style="display:none">区域</span><span data-if="python" style="display:none">区域</span></code></b> (output_object)  </span><span>region(-array) <code>→</code> <span data-if="hdevelop" style="display:inline">object</span><span data-if="dotnet" style="display:none"><a href="HRegion.html">HRegion</a></span><span data-if="python" style="display:none">HObject</span><span data-if="cpp" style="display:none"><a href="HRegion.html">HRegion</a></span><span data-if="c" style="display:none">Hobject *</span></span>
</div>
<p class="pardesc">Region containing the points that differ
substantially from the model.</p>
</div>
  <div class="par">
<div class="parhead">
<span id="ModelID" class="parname"><b><code><span data-if="hdevelop" style="display:inline">ModelID</span><span data-if="c" style="display:none">ModelID</span><span data-if="cpp" style="display:none">ModelID</span><span data-if="com" style="display:none">ModelID</span><span data-if="dotnet" style="display:none">modelID</span><span data-if="python" style="display:none">model_id</span></code></b> (input_control)  </span><span>variation_model <code>→</code> <span data-if="dotnet" style="display:none"><a href="HVariationModel.html">HVariationModel</a>, </span><span data-if="dotnet" style="display:none"><a href="HTuple.html">HTuple</a></span><span data-if="python" style="display:none">HHandle</span><span data-if="cpp" style="display:none"><a href="HTuple.html">HTuple</a></span><span data-if="c" style="display:none">Htuple</span><span data-if="hdevelop" style="display:inline"> (handle)</span><span data-if="dotnet" style="display:none"> (<i>IntPtr</i>)</span><span data-if="cpp" style="display:none"> (<i>HHandle</i>)</span><span data-if="c" style="display:none"> (<i>handle</i>)</span></span>
</div>
<p class="pardesc">ID of the variation model.</p>
</div>
<h2 id="sec_example_all">例程 (HDevelop)</h2>
<pre class="example">
read_shape_model ('model.shm', TemplateID)
read_variation_model ('model.var', ModelID)
for K := 1 to 10 by 1
    read_image (Image, 'pen-' + K$'02')
    find_generic_shape_model (Image, TemplateID, MatchResultID, \
                              NumMatchResult)
    get_generic_shape_model_result (MatchResultID, 'all', 'hom_mat_2d', \
                                    HomMat2D)
    dev_display (Image)
    if (NumMatchResult == 1)
        affine_trans_image (Image, ImageTrans, HomMat2D, 'constant', \
                            'false')
        compare_variation_model (ImageTrans, RegionDiff, ModelID)
        dev_display (RegionDiff)
    endif
endfor
</pre>
<h2 id="sec_result">结果</h2>
<p><code><span data-if="hdevelop" style="display:inline">compare_variation_model</span><span data-if="c" style="display:none">compare_variation_model</span><span data-if="cpp" style="display:none">CompareVariationModel</span><span data-if="com" style="display:none">CompareVariationModel</span><span data-if="dotnet" style="display:none">CompareVariationModel</span><span data-if="python" style="display:none">compare_variation_model</span></code> returns <TT>2</TT> (
      <TT>H_MSG_TRUE</TT>)
     if all parameters are
correct and if the internal threshold images have been generated
with <a href="prepare_variation_model.html"><code><span data-if="hdevelop" style="display:inline">prepare_variation_model</span><span data-if="c" style="display:none">prepare_variation_model</span><span data-if="cpp" style="display:none">PrepareVariationModel</span><span data-if="com" style="display:none">PrepareVariationModel</span><span data-if="dotnet" style="display:none">PrepareVariationModel</span><span data-if="python" style="display:none">prepare_variation_model</span></code></a> or
<a href="prepare_direct_variation_model.html"><code><span data-if="hdevelop" style="display:inline">prepare_direct_variation_model</span><span data-if="c" style="display:none">prepare_direct_variation_model</span><span data-if="cpp" style="display:none">PrepareDirectVariationModel</span><span data-if="com" style="display:none">PrepareDirectVariationModel</span><span data-if="dotnet" style="display:none">PrepareDirectVariationModel</span><span data-if="python" style="display:none">prepare_direct_variation_model</span></code></a>.</p>
<h2 id="sec_predecessors">可能的前置算子</h2>
<p>
<code><a href="prepare_variation_model.html"><span data-if="hdevelop" style="display:inline">prepare_variation_model</span><span data-if="c" style="display:none">prepare_variation_model</span><span data-if="cpp" style="display:none">PrepareVariationModel</span><span data-if="com" style="display:none">PrepareVariationModel</span><span data-if="dotnet" style="display:none">PrepareVariationModel</span><span data-if="python" style="display:none">prepare_variation_model</span></a></code>, 
<code><a href="prepare_direct_variation_model.html"><span data-if="hdevelop" style="display:inline">prepare_direct_variation_model</span><span data-if="c" style="display:none">prepare_direct_variation_model</span><span data-if="cpp" style="display:none">PrepareDirectVariationModel</span><span data-if="com" style="display:none">PrepareDirectVariationModel</span><span data-if="dotnet" style="display:none">PrepareDirectVariationModel</span><span data-if="python" style="display:none">prepare_direct_variation_model</span></a></code>
</p>
<h2 id="sec_successors">可能的后置算子</h2>
<p>
<code><a href="connection.html"><span data-if="hdevelop" style="display:inline">connection</span><span data-if="c" style="display:none">connection</span><span data-if="cpp" style="display:none">Connection</span><span data-if="com" style="display:none">Connection</span><span data-if="dotnet" style="display:none">Connection</span><span data-if="python" style="display:none">connection</span></a></code>
</p>
<h2 id="sec_alternatives">可替代算子</h2>
<p>
<code><a href="compare_ext_variation_model.html"><span data-if="hdevelop" style="display:inline">compare_ext_variation_model</span><span data-if="c" style="display:none">compare_ext_variation_model</span><span data-if="cpp" style="display:none">CompareExtVariationModel</span><span data-if="com" style="display:none">CompareExtVariationModel</span><span data-if="dotnet" style="display:none">CompareExtVariationModel</span><span data-if="python" style="display:none">compare_ext_variation_model</span></a></code>, 
<code><a href="dyn_threshold.html"><span data-if="hdevelop" style="display:inline">dyn_threshold</span><span data-if="c" style="display:none">dyn_threshold</span><span data-if="cpp" style="display:none">DynThreshold</span><span data-if="com" style="display:none">DynThreshold</span><span data-if="dotnet" style="display:none">DynThreshold</span><span data-if="python" style="display:none">dyn_threshold</span></a></code>
</p>
<h2 id="sec_see">参考其它</h2>
<p>
<code><a href="get_thresh_images_variation_model.html"><span data-if="hdevelop" style="display:inline">get_thresh_images_variation_model</span><span data-if="c" style="display:none">get_thresh_images_variation_model</span><span data-if="cpp" style="display:none">GetThreshImagesVariationModel</span><span data-if="com" style="display:none">GetThreshImagesVariationModel</span><span data-if="dotnet" style="display:none">GetThreshImagesVariationModel</span><span data-if="python" style="display:none">get_thresh_images_variation_model</span></a></code>
</p>
<h2 id="sec_module">模块</h2>
<p>
Matching</p>
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